2,3,5,6 i believe is the answer
Answer/Explanation:
Most Russians live in Europe and few live in Asia.
Answer: Principle of motion economy.
Explanation: principle of motion economy developed by Frank and Lillian Gilbreth are guidelines to help determine the work method, workplace layout, tools, and equipment.
The aim of this is to help in identifying and replicating one best way to complete a task and also minimize the physical and perceptual loads imposed on people engaged in that task.
Haiti, Mexico, Argentina, and Colombia all gained their independence in the early 1800’s. (there are more like Venezuela, Panama, etc.)